Fork of the espurna firmware for `mhsw` switches
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// -----------------------------------------------------------------------------
// TMP3X Temperature Analog Sensor
// Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
// -----------------------------------------------------------------------------
#if SENSOR_SUPPORT && TMP3X_SUPPORT
#pragma once
#if ADC_VCC_ENABLED
ADC_MODE(ADC_VCC);
#endif
#include "Arduino.h"
#include "BaseSensor.h"
#define TMP3X_TMP35 35
#define TMP3X_TMP36 36
#define TMP3X_TMP37 37
class TMP3XSensor : public BaseSensor {
public:
// ---------------------------------------------------------------------
// Public
// ---------------------------------------------------------------------
TMP3XSensor(): BaseSensor() {
_count = 1;
_sensor_id = SENSOR_TMP3X_ID;
}
void setType(unsigned char type) {
if (35 <= type && type <= 37) {
_type = type;
}
}
unsigned char getType() {
return _type;
}
// ---------------------------------------------------------------------
// Sensor API
// ---------------------------------------------------------------------
// Initialization method, must be idempotent
void begin() {
pinMode(0, INPUT);
_ready = true;
}
// Descriptive name of the sensor
String description() {
char buffer[14];
snprintf(buffer, sizeof(buffer), "TMP%d @ TOUT", _type);
return String(buffer);
}
// Descriptive name of the slot # index
String slot(unsigned char index) {
return description();
};
// Address of the sensor (it could be the GPIO or I2C address)
String address(unsigned char index) {
return String("0");
}
// Type for slot # index
unsigned char type(unsigned char index) {
if (index == 0) return MAGNITUDE_TEMPERATURE;
return MAGNITUDE_NONE;
}
// Current value for slot # index
double value(unsigned char index) {
if (index == 0) {
double mV = 3300.0 * analogRead(0) / 1024.0;
if (_type == TMP3X_TMP35) return mV / 10.0;
if (_type == TMP3X_TMP36) return mV / 10.0 - 50.0;
if (_type == TMP3X_TMP37) return mV / 20.0;
}
return 0;
}
private:
unsigned char _type = TMP3X_TMP35;
};
#endif // SENSOR_SUPPORT && TMP3X_SUPPORT